Finding the Fourth Proportional to 11,704.30, 17,540.92 and 5,123.32

Step by Step Solution

1. Step 1: Write the proportion equation
   11,704.30 : 17,540.92 = 5,123.32 : x
2. Step 2: Convert to fraction form
   11,704.30/17,540.92 = 5,123.32/x
3. Step 3: Cross multiply
   11,704.30x = 17,540.92 × 5,123.32
4. Step 4: Simplify right side
   11,704.30x = 89,867,746.25
5. Step 5: Solve for x
   x = 89,867,746.25/11,704.30
6. Step 6: Final answer
   x = 7,678.18